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Uses and management of poultry litter

Published online by Cambridge University Press:  17 December 2010

N.S. BOLAN*
Affiliation:
Centre for Environmental Risk Assessment and Remediation, University of South Australia, SA – 5095, Australia Cooperative Research Centre for Contaminants Assessment and Remediation of the Environment (CRC CARE), University of South Australia, SA-5095
A.A. SZOGI
Affiliation:
USDA-ARS, Coastal Plains Soil, Water and Plant Research Center, 2611 W. Lucas St., Florence, SC, 29501, USA
T. CHUASAVATHI
Affiliation:
Centre for Environmental Risk Assessment and Remediation, University of South Australia, SA – 5095, Australia Cooperative Research Centre for Contaminants Assessment and Remediation of the Environment (CRC CARE), University of South Australia, SA-5095
B. SESHADRI
Affiliation:
Centre for Environmental Risk Assessment and Remediation, University of South Australia, SA – 5095, Australia Cooperative Research Centre for Contaminants Assessment and Remediation of the Environment (CRC CARE), University of South Australia, SA-5095
M.J. ROTHROCK JR
Affiliation:
USDA-ARS, Coastal Plains Soil, Water and Plant Research Center, 2611 W. Lucas St., Florence, SC, 29501, USA
P. PANNEERSELVAM
Affiliation:
Indian Institute of Horticultural Research, Bangalore – 560 089, India
*
Corresponding author: nanthi.bolan@unisa.edu.au
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Abstract

The poultry industry is one of the largest and fastest growing agro-based industries in the world. This can be attributed to an increasing demand for poultry meat and egg products. However, a major problem facing the poultry industry is the large-scale accumulation of wastes including manure and litter which may pose disposal and pollution problems unless environmentally and economically sustainable management technologies are evolved. Most of the litter produced by the poultry industry is currently applied to agricultural land as a source of nutrients and soil amendment. However environmental pollution, resulting from nutrient and contaminant leaching can occur when poultry litter is applied under soil and climatic conditions that do not favour agronomic utilisation of the manure-borne nutrients. This review examines the composition of poultry litter in relation to nutrient content and environmental contaminants, its value as a nutrient source, soil amendment, animal feed and fuel source, and cost-effective innovative technologies for improving its value. Poultry litter provides a major source of nitrogen, phosphorus and trace elements for crop production and is effective in improving physical and biological fertility, indicating that land application remains as the main option for the utilisation of this valuable resource. The alternative use of poultry litter; as an animal feed and fuel source, is limited by contaminants, and high moisture content, respectively. The review proposes best management practices to mitigate environmental consequences associated with air and water quality parameters that are impacted by land application in order to maintain the continued productivity, profitability, and sustainability of the poultry industry.

Type
Review Article
Copyright
Copyright © World's Poultry Science Association 2010

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